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      <title>Class MillingUtil | HiAPI-C# 2025 </title>
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        <article data-uid="Hi.MachiningProcs.MillingUtil">



  <h1 id="Hi_MachiningProcs_MillingUtil" data-uid="Hi.MachiningProcs.MillingUtil" class="text-break">
Class MillingUtil  
  </h1>

  <div class="facts text-secondary">
    <dl><dt>Namespace</dt><dd><a class="xref" href="Hi.html">Hi</a>.<a class="xref" href="Hi.MachiningProcs.html">MachiningProcs</a></dd></dl>
  <dl><dt>Assembly</dt><dd>HiMech.dll</dd></dl>
  </div>

  <div class="markdown summary"><p>Provides utility methods for milling calculations and operations.</p>
</div>
  <div class="markdown conceptual"></div>

  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public static class MillingUtil</code></pre>
  </div>




  <dl class="typelist inheritance">
    <dt>Inheritance</dt>
    <dd>
      <div><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object">object</a></div>
      <div><span class="xref">MillingUtil</span></div>
    </dd>
  </dl>



  <dl class="typelist inheritedMembers">
    <dt>Inherited Members</dt>
    <dd>
    <div>
      <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object.equals#system-object-equals(system-object)">object.Equals(object)</a>
    </div>
    <div>
      <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object.equals#system-object-equals(system-object-system-object)">object.Equals(object, object)</a>
    </div>
    <div>
      <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object.gethashcode">object.GetHashCode()</a>
    </div>
    <div>
      <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object.gettype">object.GetType()</a>
    </div>
    <div>
      <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object.memberwiseclone">object.MemberwiseClone()</a>
    </div>
    <div>
      <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object.referenceequals">object.ReferenceEquals(object, object)</a>
    </div>
    <div>
      <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object.tostring">object.ToString()</a>
    </div>
  </dd></dl>






  <h2 class="section" id="methods">Methods
</h2>


  <a id="Hi_MachiningProcs_MillingUtil_GetFeedPerCycle_mm_" data-uid="Hi.MachiningProcs.MillingUtil.GetFeedPerCycle_mm*"></a>

  <h3 id="Hi_MachiningProcs_MillingUtil_GetFeedPerCycle_mm_System_Double_System_Double_" data-uid="Hi.MachiningProcs.MillingUtil.GetFeedPerCycle_mm(System.Double,System.Double)">
  GetFeedPerCycle_mm(double, double)
  
  </h3>

  <div class="markdown level1 summary"><p>Calculates the feed per cycle in millimeters.</p>
</div>
  <div class="markdown level1 conceptual"></div>

  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public static double GetFeedPerCycle_mm(double feedrate_mmds, double spindleSpeed_radds)</code></pre>
  </div>

  <h4 class="section">Parameters</h4>
  <dl class="parameters">
    <dt><code>feedrate_mmds</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.double">double</a></dt>
    <dd><p>The feed rate in millimeters per second.</p>
</dd>
    <dt><code>spindleSpeed_radds</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.double">double</a></dt>
    <dd><p>The spindle speed in radians per second.</p>
</dd>
  </dl>

  <h4 class="section">Returns</h4>
  <dl class="parameters">
    <dt><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.double">double</a></dt>
    <dd><p>The feed per cycle in millimeters.</p>
</dd>
  </dl>











  <a id="Hi_MachiningProcs_MillingUtil_GetFeedPerTooth_mm_" data-uid="Hi.MachiningProcs.MillingUtil.GetFeedPerTooth_mm*"></a>

  <h3 id="Hi_MachiningProcs_MillingUtil_GetFeedPerTooth_mm_System_Double_System_Double_System_Int32_" data-uid="Hi.MachiningProcs.MillingUtil.GetFeedPerTooth_mm(System.Double,System.Double,System.Int32)">
  GetFeedPerTooth_mm(double, double, int)
  
  </h3>

  <div class="markdown level1 summary"><p>Calculates the feed per tooth in millimeters.</p>
</div>
  <div class="markdown level1 conceptual"></div>

  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public static double GetFeedPerTooth_mm(double feedrate_mmds, double spindleSpeed_radds, int fluteNum)</code></pre>
  </div>

  <h4 class="section">Parameters</h4>
  <dl class="parameters">
    <dt><code>feedrate_mmds</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.double">double</a></dt>
    <dd><p>The feed rate in millimeters per second.</p>
</dd>
    <dt><code>spindleSpeed_radds</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.double">double</a></dt>
    <dd><p>The spindle speed in radians per second.</p>
</dd>
    <dt><code>fluteNum</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.int32">int</a></dt>
    <dd><p>The number of flutes on the tool.</p>
</dd>
  </dl>

  <h4 class="section">Returns</h4>
  <dl class="parameters">
    <dt><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.double">double</a></dt>
    <dd><p>The feed per tooth in millimeters.</p>
</dd>
  </dl>











  <a id="Hi_MachiningProcs_MillingUtil_GetFeedrate_mmds_" data-uid="Hi.MachiningProcs.MillingUtil.GetFeedrate_mmds*"></a>

  <h3 id="Hi_MachiningProcs_MillingUtil_GetFeedrate_mmds_System_Double_System_Double_System_Int32_" data-uid="Hi.MachiningProcs.MillingUtil.GetFeedrate_mmds(System.Double,System.Double,System.Int32)">
  GetFeedrate_mmds(double, double, int)
  
  </h3>

  <div class="markdown level1 summary"><p>Calculates the feed rate in millimeters per second.</p>
</div>
  <div class="markdown level1 conceptual"></div>

  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public static double GetFeedrate_mmds(double feedPerTooth_mmdrev, double spindleSpeed_radds, int fluteNum)</code></pre>
  </div>

  <h4 class="section">Parameters</h4>
  <dl class="parameters">
    <dt><code>feedPerTooth_mmdrev</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.double">double</a></dt>
    <dd><p>The feed per tooth in millimeters per revolution.</p>
</dd>
    <dt><code>spindleSpeed_radds</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.double">double</a></dt>
    <dd><p>The spindle speed in radians per second.</p>
</dd>
    <dt><code>fluteNum</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.int32">int</a></dt>
    <dd><p>The number of flutes on the tool.</p>
</dd>
  </dl>

  <h4 class="section">Returns</h4>
  <dl class="parameters">
    <dt><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.double">double</a></dt>
    <dd><p>The feed rate in millimeters per second.</p>
</dd>
  </dl>











  <a id="Hi_MachiningProcs_MillingUtil_GetFluteZToDzListByGapResolutionSwitch_" data-uid="Hi.MachiningProcs.MillingUtil.GetFluteZToDzListByGapResolutionSwitch*"></a>

  <h3 id="Hi_MachiningProcs_MillingUtil_GetFluteZToDzListByGapResolutionSwitch_System_Collections_Generic_SortedList_System_Double_System_Double__System_Double_Hi_Geom_Box3d_System_Collections_Generic_List_Hi_Geom_PairZr__" data-uid="Hi.MachiningProcs.MillingUtil.GetFluteZToDzListByGapResolutionSwitch(System.Collections.Generic.SortedList{System.Double,System.Double},System.Double,Hi.Geom.Box3d,System.Collections.Generic.List{Hi.Geom.PairZr})">
  GetFluteZToDzListByGapResolutionSwitch(SortedList&lt;double, double&gt;, double, Box3d, List&lt;PairZr&gt;)
  
  </h3>

  <div class="markdown level1 summary"><p>Gets a list of Z coordinates and their corresponding delta Z values for flute engagement,
with resolution switching based on chip height.</p>
</div>
  <div class="markdown level1 conceptual"></div>

  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public static SortedList&lt;double, double&gt; GetFluteZToDzListByGapResolutionSwitch(SortedList&lt;double, double&gt; fluteZToDzListByWorkpieceResolution, double workpieceResolution, Box3d boundingBoxOnToolRunningCoordinate, List&lt;PairZr&gt; fluteZAscendentZrContour)</code></pre>
  </div>

  <h4 class="section">Parameters</h4>
  <dl class="parameters">
    <dt><code>fluteZToDzListByWorkpieceResolution</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.collections.generic.sortedlist-2">SortedList</a>&lt;<a class="xref" href="https://learn.microsoft.com/dotnet/api/system.double">double</a>, <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.double">double</a>&gt;</dt>
    <dd><p>The initial list of Z coordinates and delta Z values based on workpiece resolution.</p>
</dd>
    <dt><code>workpieceResolution</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.double">double</a></dt>
    <dd><p>The resolution of the workpiece.</p>
</dd>
    <dt><code>boundingBoxOnToolRunningCoordinate</code> <a class="xref" href="Hi.Geom.Box3d.html">Box3d</a></dt>
    <dd><p>The bounding box of the tool path in tool running coordinates.</p>
</dd>
    <dt><code>fluteZAscendentZrContour</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.collections.generic.list-1">List</a>&lt;<a class="xref" href="Hi.Geom.PairZr.html">PairZr</a>&gt;</dt>
    <dd><p>The ascending Z coordinates of the flute contour.</p>
</dd>
  </dl>

  <h4 class="section">Returns</h4>
  <dl class="parameters">
    <dt><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.collections.generic.sortedlist-2">SortedList</a>&lt;<a class="xref" href="https://learn.microsoft.com/dotnet/api/system.double">double</a>, <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.double">double</a>&gt;</dt>
    <dd><p>A sorted list of Z coordinates and their corresponding delta Z values.</p>
</dd>
  </dl>












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